A .wpress file is a backup package created by All-in-One WP Migration. When an import fails, extracting the content can help recover files or inspect what is inside the backup.
When extraction is useful
Extraction is helpful when the migration plugin freezes, the hosting environment blocks large uploads or you need to recover a specific file from the backup.
Before you begin
Keep the original .wpress file unchanged and work on a copy. If the backup is valuable, store another copy outside the server.
Recovery strategy
After extracting the package, identify uploads, themes, plugins and the database dump. A manual restore usually requires importing the database and placing files in the correct WordPress directories.
Safer migrations
For large websites, consider a manual migration or server-side tools instead of relying only on browser uploads.